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(#M40009849) TCS QUESTION Keep an EYE

A student's average ( arithmetic mean) test score on 4 tests is 78. What must be the students score on a 5th test for the students average score on the 5th test to be 80?

Asked In TCS krishnaprasad TATA (13 years ago)

Solved abhisek kundu Read Solution (9)

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(#M40009842) TCS QUESTION Keep an EYE

If 75 % of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percentage answered both correctly?

Asked In TCS krishnaprasad TATA (13 years ago)

Solved Vignesh Read Solution (7)

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(#M40010710) TCS QUESTION Keep an EYE

There are 20 balls which are red, blue or green. if 7 balls are green and the sum of red balls and green balls is less than 13, at most how many red balls are there?
a)4
b)5
c)6
d)7

Asked In TCS krishnaprasad TATA (13 years ago)

Unsolved Read Solution (6)

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(#M40009801) TCS QUESTION Keep an EYE

A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percentage of sodium chloride?

Asked In TCS krishnaprasad TATA (13 years ago)

Unsolved Read Solution (7)

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(#M40009802) TCS QUESTION Keep an EYE

The water from one outlet, flowing at a constant rate, can fill the swimming pool in 9 hours. The water from second outlet, flowing at a constant rate can fill up the same pool in approximately in 5 hours. If both the outlets are used at the same time, approximately what is the number of hours required to fill the pool?

Asked In TCS krishnaprasad TATA (13 years ago)

Solved Sanjana Patnaik Read Solution (4)

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(#M40010720) TCS QUESTION Keep an EYE

A,B,C and D go for a picnic. When A stands on a weighing machine, B also climbs on, and the weight shown was 132kg.when B stands, C also climbs on , and the machine shows 130kg.
similarly the weight of C and D is found as 102kg and that of B and D is 116kg. what is D's weight?
a)58kg
b)78kg
c)44kg
d) can not be determined from the given information

Asked In TCS krishnaprasad TATA (13 years ago)

Unsolved Read Solution (4)

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(#M40009740) TCS QUESTION Keep an EYE

A closed cylindrical tank contains 36 pie cubic feet of water and its filled to half its capacity. When the tank is placed upright on its circular base on level ground, the height of water in the tank is 4 feet. When the tank is placed on its side on level ground, what is the height, in feet, of the surface of the water above the ground?

Asked In TCS krishnaprasad TATA (13 years ago)

Solved chaitanya Read Solution (7)

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(#M40010831) TCS QUESTION Keep an EYE

if 3y+x>2, x+2y=-1
c)y

Asked In TCS krishnaprasad TATA (13 years ago)

Unsolved Read Solution (3)

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(#M40009741) TCS QUESTION Keep an EYE

What is the lowest possible integer that is divisible by each of the integers 1 through 7, inclusive?

Asked In TCS krishnaprasad TATA (13 years ago)

Solved kotaadithyakumar Read Solution (4)

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(#M40010722) TCS QUESTION Keep an EYE

Mr Mrs smith have invited 9 of their friends and their spouses for a party at the waikiki beach resort. They stand for a group photograph. If Mr smith never stands next to Mrs smith(as he says they are always together otherwise ), how many ways the group can be arranged in a row for the photograph?
a)20!
b)19!18!
c)18*19!
d)2*19!

Asked In TCS krishnaprasad TATA (13 years ago)

Unsolved Read Solution (1)

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